//
//  AppDelegate.swift
//  ZYBWeibo
//
//  Created by xthink4 on 16/1/11.
//  Copyright © 2016年 zyb. All rights reserved.
//

import UIKit
import CoreData
//全局变量  在 class外
//切换根视图控制器的通知
let YBSwithRootViewControllerNSNotification="YBSwithRootViewControllerNSNotification"
@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        //实例化window
        window=UIWindow(frame: UIScreen.mainScreen().bounds)
        window?.backgroundColor=UIColor.whiteColor()
        window?.makeKeyAndVisible()//显示这个界面
        //设置外观，设置后 全局改变
       setUpApperance()
        NSNotificationCenter.defaultCenter().addObserver(self, selector: "swithRootViewController:", name: YBSwithRootViewControllerNSNotification, object: nil)
        
        showTheMainInterface()
        return true
    }
    //设置外观
    private func setUpApperance(){
        
         UINavigationBar.appearance().tintColor=UIColor.orangeColor()
         UITabBar.appearance().tintColor=UIColor.orangeColor()
    }
    func swithRootViewController(note:NSNotification){
        let sbName=note.object as!String
        showStoryboard(sbName)
    }
    ///主界面流程【·  ·
    private func showTheMainInterface(){
        //判断用户是否登陆，如果没有登陆显示main
        let defaults=NSUserDefaults.standardUserDefaults()
        let isLogin=defaults.objectForKey("userName")
        var sbName="Main"
        if isLogin==nil{
            sbName="Main"
        }else if isNewUpdate(){
            sbName="NewFaulter"
        }else{
            sbName="Wellcome"
        }
        showStoryboard(sbName)
    }

    private func showStoryboard(sbName:String){
        let sb=UIStoryboard(name: sbName, bundle: nil)
        self.window?.rootViewController=sb.instantiateInitialViewController()! as UIViewController
    }
    //查看是否有新的版本
    private func isNewUpdate()->Bool{
        //print( NSBundle.mainBundle().infoDictionary)
        //版本信息可以从，mainBundle中的plist文件中去获取
        let currentVersion=NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"] as! String
        let versionValue=NSNumberFormatter().numberFromString(currentVersion)?.doubleValue
        
        //和获取沙盒中保存的版本信息进行比较
        let sandboxKey="sandboxKey"
        let defaults=NSUserDefaults.standardUserDefaults()
        let sandboxVersion=defaults.objectForKey(sandboxKey) as? Double
                //及时记录最新的版本
       defaults.setDouble(versionValue!, forKey: sandboxKey)
        
        return versionValue > sandboxVersion
    }
    func applicationWillResignActive(application: UIApplication) {
      
    }

    func applicationDidEnterBackground(application: UIApplication) {
        
    }

    func applicationWillEnterForeground(application: UIApplication) {
       
    }

    func applicationDidBecomeActive(application: UIApplication) {

    }

    func applicationWillTerminate(application: UIApplication) {
       
        self.saveContext()
    }

    // MARK: - Core Data stack

    lazy var applicationDocumentsDirectory: NSURL = {
        // The directory the application uses to store the Core Data store file. This code uses a directory named "com.weibo.ZYBWeibo" in the application's documents Application Support directory.
        let urls = NSFileManager.defaultManager().URLsForDirectory(.DocumentDirectory, inDomains: .UserDomainMask)
        return urls[urls.count-1]
    }()

    lazy var managedObjectModel: NSManagedObjectModel = {
        // The managed object model for the application. This property is not optional. It is a fatal error for the application not to be able to find and load its model.
        let modelURL = NSBundle.mainBundle().URLForResource("ZYBWeibo", withExtension: "momd")!
        return NSManagedObjectModel(contentsOfURL: modelURL)!
    }()

    lazy var persistentStoreCoordinator: NSPersistentStoreCoordinator = {
        // The persistent store coordinator for the application. This implementation creates and returns a coordinator, having added the store for the application to it. This property is optional since there are legitimate error conditions that could cause the creation of the store to fail.
        // Create the coordinator and store
        let coordinator = NSPersistentStoreCoordinator(managedObjectModel: self.managedObjectModel)
        let url = self.applicationDocumentsDirectory.URLByAppendingPathComponent("SingleViewCoreData.sqlite")
        var failureReason = "There was an error creating or loading the application's saved data."
        do {
            try coordinator.addPersistentStoreWithType(NSSQLiteStoreType, configuration: nil, URL: url, options: nil)
        } catch {
            // Report any error we got.
            var dict = [String: AnyObject]()
            dict[NSLocalizedDescriptionKey] = "Failed to initialize the application's saved data"
            dict[NSLocalizedFailureReasonErrorKey] = failureReason

            dict[NSUnderlyingErrorKey] = error as NSError
            let wrappedError = NSError(domain: "YOUR_ERROR_DOMAIN", code: 9999, userInfo: dict)
            // Replace this with code to handle the error appropriately.
            // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
            NSLog("Unresolved error \(wrappedError), \(wrappedError.userInfo)")
            abort()
        }
        
        return coordinator
    }()

    lazy var managedObjectContext: NSManagedObjectContext = {
        // Returns the managed object context for the application (which is already bound to the persistent store coordinator for the application.) This property is optional since there are legitimate error conditions that could cause the creation of the context to fail.
        let coordinator = self.persistentStoreCoordinator
        var managedObjectContext = NSManagedObjectContext(concurrencyType: .MainQueueConcurrencyType)
        managedObjectContext.persistentStoreCoordinator = coordinator
        return managedObjectContext
    }()

    // MARK: - Core Data Saving support

    func saveContext () {
        if managedObjectContext.hasChanges {
            do {
                try managedObjectContext.save()
            } catch {
                // Replace this implementation with code to handle the error appropriately.
                // abort() causes the application to generate a crash log and terminate. You should not use this function in a shipping application, although it may be useful during development.
                let nserror = error as NSError
                NSLog("Unresolved error \(nserror), \(nserror.userInfo)")
                abort()
            }
        }
    }

}

